Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
  • C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
  • C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D215/20—Oxygen atoms
  • C07D215/24—Oxygen atoms attached in position 8
  • C07D215/26—Alcohols; Ethers thereof
  • C07D215/32—Esters
  • C07D215/34—Carbamates
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
  • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
  • A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
  • A01N47/22—O-Aryl or S-Aryl esters thereof

Definitions

• the present invention relates to new 8-carbamoyloxyquinoline derivatives, processes for their preparation and their use for controlling pests, and their use as microbicides.
• the present application relates to new 8-carbamoyloxyquinoline derivatives of the general formula (I) in which R1 represents hydrogen or methyl and R2 and R3 are the same or different and represent hydrogen, halogen, unsubstituted or substituted alkyl or alkenyl and n stands for zero or one and R11 is unsubstituted or substituted alkyl, COR12 or a radical stands and R4 to R10 and R13 to R16 are the same or different and represent hydrogen or unsubstituted or substituted alkyl and R12 and R17 represent unsubstituted or substituted alkyl, and their acid addition salts, with the proviso that R11 is not alkyl or a radical is when R1 to R4 are hydrogen and n is one.
• the substituted quinolinyl-oxy-carbamates of the formula (I) contain one or more centers of asymmetry and can therefore be in the form of diastereomers or diastereomer mixtures which are obtained in different proportions. They are predominantly obtained as racemates.
• the substances according to the invention have such a broad spectrum of antimicrobial activity that they can be used with advantage as microbicides in microbicidal compositions for protecting industrial materials from damage and destruction by microorganisms.
• the new compounds can also be used in synergistic mixtures with other known, highly effective compounds.
• halogen can mean fluorine, chlorine, bromine and iodine, preferably fluorine, chlorine and bromine.
• Optionally substituted alkyl generally represents a straight-chain or branched hydrocarbon radical having 1 to 6 carbon atoms, preferably having 1 to 4 carbon atoms. Examples include methyl, ethyl, n- and iso-propyl, n-, sec-, iso- and tert-butyl, hexyl.
• Halogen as defined above, may also be mentioned as a substituent of an alkyl radical, and also alkoxy and alkylthio.
• Alkoxy or alkylthio generally represent a straight-chain or branched hydrocarbon radical which is bonded via oxygen or sulfur and has 1 to 6, preferably 1 to 4 and particularly preferably 1 or 2, carbon atoms in the alkoxy or alkylthio radical.
• substituted alkyl radicals which may be mentioned are: fluoromethyl, chloromethyl, bromomethyl, fluoroethyl, chloroethyl, bromethyl, fluoropropyl, chloropropyl, bromopropyl, fluorobutyl, chlorobutyl, bromobutyl, fluoroisopropyl, chloroisopropyl, bromisopropyl, difluoromethyl, trifluoromethyl, dichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, trichloromethyl, t
• Trifluoromethyl, 1-fluoro-2-fluoromethyl-prop- (2) -yl and 1-chloro-2-methyl-prop- (2) -yl are very particularly preferred.
• Alkenyl generally represents a straight-chain or branched hydrocarbon radical having 2 to 6 carbon atoms and one or more, preferably one or two, double bonds. Lower alkenyl having 2 to 4 carbon atoms and a double bond is preferred. Examples include: vinyl, allyl, propenyl, isopropenyl, butenyl and isobutenyl.
• Formula (I) provides a general definition of the substituted 8-carbamoyl-oxyquinoline derivatives according to the invention.
• Preferred compounds of the formula (I) are those in which R1 and R4 represent hydrogen or methyl and R2 and R3 are the same or different and represent hydrogen, halogen or a straight-chain or branched, unsubstituted or substituted alkyl or alkenyl radical having 1 to 6 or 2 to 6 carbon atoms and n stands for zero or one and R11 for straight-chain or branched alkyl having 1 to 6 carbon atoms, COR12 or a radical stands and R5 to R10 and R13 to R16 are the same or different and represent hydrogen or straight-chain or branched alkyl having 1 to 6 carbon atoms and R12 and R17 represent straight-chain or branched alkyl having 1 to 6 carbon atoms, and their acid addition salts, with the proviso that R11 is not alkyl or a radical is when R1 to R4 are hydrogen and n is one.
• R1 and R4 represent hydrogen or methyl and R2 and R3 are the same or different and represent hydrogen, chlorine, bromine or iodine and straight-chain or branched alkyl or alkenyl having 1 to 4 or 2 to 4 carbon atoms and n stands for one or in particular zero and R11 for straight-chain or branched alkyl having 1 to 4 carbon atoms
• COR12 or a radical stands and R5 to R10 and R13 to R16 are the same or different and represent hydrogen or straight-chain or branched alkyl having 1 to 4 carbon atoms and R12 and R17 represent straight-chain or branched alkyl having 1 to 4 carbon atoms, and their acid addition salts, with the proviso that R11 is not alkyl or a radical is when R1 to R4 are hydrogen and n is one.
• R1 and R4 are hydrogen and R2 represents hydrogen, chlorine or bromine and R3 represents hydrogen, chlorine, bromine or straight-chain or branched alkenyl having 2 to 4 carbon atoms and n stands for zero or one and R11 for straight-chain or branched alkyl having 1 to 4 carbon atoms, COR12 or a radical stands and R5 to R10 and R13 to R16 are the same or different and represent hydrogen or straight-chain or branched alkyl having 1 to 4 carbon atoms and R12 and R17 represent straight-chain or branched alkyl having 1 to 4 carbon atoms, and their acid addition salts, with the proviso that R11 is not alkyl or a radical is when R1 to R4 are hydrogen and n is one.
• Preferred compounds according to the invention are also addition products, in particular the plant-compatible addition products of acids and those substituted compounds of the formula (I) in which the substituents R1 to R17 have the meaning which have already been mentioned as preferred for these substituents.
• the acids that can be added preferably include hydrohalic acids, e.g. Hydrochloric acid and hydrobromic acid, especially hydrochloric acid, also phosphoric acid, nitric acid, sulfuric acid, mono-, bi- and trifunctional carboxylic acids and hydroxycarboxylic acids, such as e.g. Acetic acid, maleic acid, succinic acid, fumaric acid, tartaric acid, citric acid, salicylic acid, sorbic acid and lactic acid, sulfonic acids such as e.g. p-toluenesulfonic acid and 1,5-naphthalenedisulfonic acid and in particular saccharin or thiosaccharin.
• hydrohalic acids e.g. Hydrochloric acid and hydrobromic acid, especially hydrochloric acid, also phosphoric acid, nitric acid, sulfuric acid, mono-, bi- and trifunctional carboxylic acids and hydroxycarboxylic acids, such as e.g. Acetic acid, maleic
• reaction sequence of process variant a) can be represented by the following formula:
• reaction sequence of process variants b) can be represented by the following formula:
• Formula (II) provides a general definition of the 8-hydroxyquinolines required as starting materials for carrying out process variants a) and b) according to the invention.
• Formula (III) provides a general definition of the isocyanates additionally required for carrying out process variant a) according to the invention.
• the radicals R5 to R11 and n have the meaning already given in connection with the description of the compounds of the formula (I) according to the invention.
• the compounds are known and can be prepared by analogy processes (cf. "Methods of Organic Chemistry", Houben-Weyl, Vol. E4, Carbonic Acid Derivatives, Georg Thieme Verlag Stuttgart, New York, pp. 738 ff (1983)).
• Formula (IV) provides a general definition of the halocarbonyl compounds required for carrying out process variant b) according to the invention.
• the radicals Hal, R4 to R11 and n have the meanings already given in connection with the description of the compounds of the formula (I) according to the invention.
• inert organic diluents are suitable as diluents for carrying out process variants a) and b) according to the invention.
• these include in particular aliphatic and aromatic, optionally halogenated hydrocarbons, such as pentane, hexane, heptane, cyclohexane, petroleum ether, gasoline, ligroin, benzene, toluene, xylene, methylene chloride, ethylene chloride, chloroform, carbon tetrachloride, chlorobenzene and o-dichlorobenzene, ethers such as diethyl - And dibutyl ether, glycol dimethyl ether and diglycol dimethyl ether, tetrahydrofuran and dioxane, ketones such as acetone, methyl ethyl, methyl isopropyl and methyl isobutyl ketone, esters such as methyl acetate and ethy
• Process variants a) and b) according to the invention are generally carried out at temperatures between -50 ° C. and 120 ° C. The range between 0 ° C. and 110 ° C. is preferred.
• the reactions are generally carried out under normal pressure.
• Process variant b) is optionally carried out in the presence of acid acceptors.
• All customary acid binders can be used as acid acceptors.
• Alkali carbonates and alcoholates such as sodium and potassium carbonate, sodium and potassium methylate or ethylate, and also aliphatic, aromatic or heterocyclic amines, for example triethylamine, trimethylamine, dimethylaniline, 1,8-diazabicyclo- (5.4, 0) -undec-7-ene, dimethylbenzylamine and pyridine.
• Process variant a) can optionally be carried out in the presence of bases.
• the bases already listed for the acid acceptors can be used as bases.
• Working up is carried out by customary methods, for example by extracting the products with toluene or methylene chloride from the reaction mixture diluted with water, washing the organic phase with water, drying and distilling or so-called “andistillation” ren ", ie prolonged heating under reduced pressure to moderately elevated temperatures in order to free them of the last volatile constituents, or by chromatographic purification over silica gel or, for example, by crystallization. Refractive index, melting point, R f value or boiling point are used to characterize the compounds .
• the active compounds according to the invention have a strong action against pests and can be used practically to control unwanted harmful organisms.
• the active ingredients are particularly suitable for use as fungicides.
• Fungicides in crop protection are e.g. used to combat Plasmodiophoromycetes, Oomycetes, Chytridiomycetes, Zygomycetes, Ascomycetes, Basidiomycetes, Deuteromycetes.
• Bactericidal agents are used in crop protection e.g. used to combat Pseudomonadaceae, Rhizobiaceae, Enterobacteriaceae, Corynebacteriaceae and Streptomycetaceae.
• Xanthomonas species such as, for example, Xanthomonas campestris pv. Oryzae
• Pseudomonas species such as, for example, Pseudomonas syringae pv.
• Lachrymans Erwinia species, such as, for example, Erwinia amylovora; Pythium species, such as, for example, Pythium ultimum; Phytophthora species, such as, for example, Phytophthora infestans; Pseudoperonospora species, such as, for example, Pseudoperonospora humuli or Pseudoperonospora cubensis; Plasmopara species, such as, for example, Plasmopara viticola; Peronospora species, such as, for example, Peronospora pisi or P.
• Erwinia species such as, for example, Erwinia amylovora
• Pythium species such as, for example, Pythium ultimum
• Phytophthora species such as, for example, Phytophthora infestans
• Pseudoperonospora species such as, for example,
• Erysiphe species such as, for example, Erysiphe graminis
• Sphaerotheca species such as, for example, Sphaerotheca fuliginea
• Podosphaera species such as, for example, Podosphaera leucotricha
• Venturia species such as, for example, Venturia inaequalis
• Pyrenophora species such as, for example, Pyrenophora teres or P.
• Drechslera graminea
• Cochliobolus species such as, for example, Cochliobolus sativus
• Uromyces species such as, for example, Uromyces appendiculatus
• Puccinia species such as, for example, Puccinia recondita
• Tilletia species such as, for example, Tilletia caries
• Ustilago species such as, for example, Ustilago nuda or Ustilago avenae
• Pellicularia species such as, for example, Pellicularia sasakii
• Pyricularia species such as, for example, Pyricularia oryzae
• Fusarium species such as, for example, Fusarium culmorum
• Botrytis species such as, for example, Botrytis cinerea
• Septoria species such as
• the active compounds can be converted into the customary formulations, such as solutions, emulsions, suspensions, powders, foams, pastes, granules, aerosols, very fine encapsulations in polymeric substances and in coating compositions for seeds, and ULV formulations.
• formulations are prepared in a known manner, for example by mixing the active ingredients with extenders, that is to say liquid solvents, pressurized liquefied gases and / or solid carriers, optionally using surface-active agents, that is to say emulsifiers and / or dispersants and / or foam-generating agents.
• extenders that is to say liquid solvents, pressurized liquefied gases and / or solid carriers
• surface-active agents that is to say emulsifiers and / or dispersants and / or foam-generating agents.
• organic solvents can, for example, also be used as auxiliary solvents.
• auxiliary solvents include aromatics, such as xylene, toluene or alkylnaphthalenes, chlorinated aromatics or chlorinated aliphatic hydrocarbons, such as chlorobenzenes, chlorethylenes or methylene chloride, aliphatic hydrocarbons, such as cyclohexane or paraffins, for example petroleum fractions, alcohols, such as butanol or glycol, and the like their ethers and esters, ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents such as dimethylformamide and dimethyl sulfoxide, and water.
• aromatics such as xylene, toluene or alkylnaphthalenes
• chlorinated aromatics or chlorinated aliphatic hydrocarbons such as chlorobenzenes, chlorethylene
• Liquefied gaseous extenders or carriers mean liquids which are gaseous at normal temperature and under normal pressure, for example aerosol propellants, such as halogenated hydrocarbons and butane, propane, nitrogen and carbon dioxide.
• aerosol propellants such as halogenated hydrocarbons and butane, propane, nitrogen and carbon dioxide.
• solid carriers for example, natural rock powders such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite or diatomaceous earth and synthetic rock powders such as highly disperse silica, aluminum oxide and silicates.
• Possible solid carriers for granules are: e.g.
• Possible emulsifiers and / or foam-generating agents are: for example nonionic and anionic emulsifiers, such as polyoxyethylene fatty acid esters, Polyoxyethylene fatty alcohol ethers, for example alkylaryl polyglycol ethers, alkyl sulfonates, alkyl sulfates, aryl sulfonates and protein hydrolyzates.
• Possible dispersing agents are, for example, lignin sulfite waste liquor and methyl cellulose.
• Adhesives such as carboxymethyl cellulose, natural and synthetic polymers in the form of powders, granules or latices, such as gum arabic, polyvinyl alcohol, polyvinyl acetate, and also natural phospholipids, such as cephalins and lecithins, and synthetic phospholipids can be used in the formulations.
• Other additives can be mineral and vegetable oils.
• Dyes such as inorganic pigments, e.g. Iron oxide, titanium oxide, ferrocyan blue and organic dyes such as alizarin, azo and metal phthalocyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc can be used.
• the formulations generally contain between 0.1 and 95 percent by weight of active compound, preferably between 0.5 and 90%.
• the active compounds according to the invention can be present in the formulations in a mixture with other known active compounds, such as fungicides, insecticides, acaricides and herbicides, and also in mixtures with fertilizers and growth regulators.
• the active substances as such in the form of their formulations or the use forms prepared therefrom, such as ready-to-use solutions, emulsifiable concentrates, emulsions, foams, suspensions, wettable powders, pastes, soluble powders, dusts and granules. They are used in the customary manner, for example by pouring, spraying, atomizing, scattering, dusting, foaming, brushing, etc. It is also possible to apply the active ingredients by the ultra-low-volume process or to prepare the active ingredient or the active ingredient itself in the Inject soil. The seeds of the plants can also be treated.
• the active compound concentrations in the use forms can be varied within a substantial range. They are generally between 1 and 0.0001% by weight, preferably between 0.5 and 0.001%.
• amounts of active ingredient of 0.001 to 50 g per kilogram of seed, preferably 0.01 to 10 g, are generally required.
• active ingredient concentrations of 0.00001 to 0.1% by weight, preferably 0.0001 to 0.02%, are required at the site of action.
• the substances according to the invention can be used as microbicides in microbicidal compositions for protecting industrial materials from damage or destruction by microorganisms.
• Technical materials are always attacking a large number of different ones Types of microbes exposed, so that reliable protection can only be achieved by using microbicides with a broad spectrum of activity.
• the substituted carbamates according to the invention derived from 8-oxy-quinoline are surprisingly better microbicidal material protection agents than 8-oxy-quinoline itself (see Chemistry of Plant Protection Products and Pest Control, R. Wegler, Vol. 2, p. 112, Springer Verlag 1970), which leaves a lot to be desired as a protective material due to its olfactory and discolouring properties.
• the substances according to the invention are almost colorless, in some cases. white crystalline and not odor intensive; That is why they are particularly suitable as microbicides for the protection of technical materials.
• industrial materials are non-living materials that have been prepared for use in technology.
• technical materials that are to be protected against microbial change or destruction by active substances according to the invention can be adhesives, glues, paper and cardboard, textiles, leather, wood, paints and plastic articles, cooling lubricants and other materials that can be attacked or decomposed by microorganisms .
• parts of production plants for example cooling water circuits, may also be mentioned which can be impaired by the multiplication of microorganisms.
• technical materials are preferably adhesives, glues, papers and cartons, leather, wood, paints, cooling lubricants and cooling circuits.
• Bacteria, fungi, yeasts, algae and mucilaginous organisms may be mentioned as microorganisms which can cause degradation or a change in the technical materials.
• the active compounds according to the invention preferably act against fungi, in particular mold, wood, permanently discoloring and wood-destroying fungi, and also against slime organisms and algae.
• Microorganisms of the following genera may be mentioned, for example: Alternaria, such as Alternaria tenuis, Aspergillus, such as Aspergillus niger, Chaetomium, like Chaetomium globosum, Coniophora, such as Coniophora tenuis, Lentinus, such as Lentinus tigrinus, Penicillium, such as Penicillium glaucum, Polyporus, such as Polyporus versicolor, Aureobasidium, such as Aureobasidium pullulans, Sclerophoma, such as Sclerophoma pityophila, Trichoderma, like Trichoderma viride, Escherichia, such as Escherichia coli, Pseudomonas, such as Pseudomonas aeruginosa, Staphylococcus, such as Staphylococcus aureus.
• Alternaria such as Alternaria tenuis
• an active ingredient according to the invention can be converted into the customary formulations, such as solutions, emulsions, suspensions, powders, pastes and granules.
• extender consisting of liquid solvent and / or solid carriers, optionally using surface-active agents, such as emulsifiers and / or dispersants, optionally using organic solvents such as alcohols as auxiliaries if water is used as extender can be.
• surface-active agents such as emulsifiers and / or dispersants
• organic solvents such as alcohols as auxiliaries if water is used as extender can be.
• Liquid solvents for the active ingredients can be, for example, water, alcohols, such as lower aliphatic alcohols, preferably ethanol or isopropanol, or benzyl alcohol, ketones, such as acetone or methyl ethyl ketone, liquid hydrocarbons, such as gasoline fractions, halogenated hydrocarbons, such as 1,2-dichloroethane.
• alcohols such as lower aliphatic alcohols, preferably ethanol or isopropanol, or benzyl alcohol
• ketones such as acetone or methyl ethyl ketone
• liquid hydrocarbons such as gasoline fractions
• halogenated hydrocarbons such as 1,2-dichloroethane.
• Microbicidal agents generally contain the active compounds in an amount of 1 to 95%, preferably 10 to 75%.
• the application concentrations of the active compounds according to the invention depend on the type and the occurrence of the microorganisms to be controlled, and on the composition of the material to be protected.
• the the optimal amount can be determined by test series.
• the application concentrations are in the range from 0.001 to 5% by weight, preferably from 0.05 to 1.0% by weight, based on the material to be protected.
• the active compounds according to the invention can also be present in a mixture with other known active compounds.
• the following active substances may be mentioned: benzyl alcohol mono (poly) hemiformal and other formaldehyde-releasing compounds, benzimidazolyl methyl carbamates, tetramethyl thiuram disulfide, zinc salts of dialkyl dithiocarbamates, 2,4,5,6-tetrachloroisophthalonitrile, thiazolylbenzimobenzidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidiazolidia
• a round-bottom flask equipped with a dropping funnel and stirrer serves as a cleavage apparatus, onto which two reflux condensers, one above the other, are placed, which are thermostatted by means of heat transfer oil.
• An extraction tray is installed between the two reflux coolers.
• Emulsifier 0.25 part by weight of alkylaryl polyglycol ether
• active compound 1 part by weight of active compound is mixed with the stated amounts of solvent and emulsifier and the concentrate is diluted with water to the desired concentration.
• the plants are placed in a greenhouse at a temperature of approx. 20 ° C and a relative air humidity of approx. 80% in order to promote the development of mildew pustules.
• Evaluation is carried out 7 days after the inoculation.
• the compounds of preparation examples (1) and (40) show an efficiency of 100% at an exemplary active ingredient concentration of 0.025%.
• Emulsifier 0.25 part by weight of alkylaryl polyglycol ether
• active compound 1 part by weight of active compound is mixed with the stated amounts of solvent and emulsifier and the concentrate is diluted with water to the desired concentration.
• the plants are placed in a greenhouse at a temperature of approx. 15 ° C and a relative humidity of approx. 80%.
• Evaluation is carried out 10 days after the inoculation.
• the compounds of Preparation Examples 1, 8, 9, 16, 19, 39, 40 and 41 show an efficiency of 80 to 100% at an exemplary active ingredient concentration of 0.025%.
• Botrytis test (bean) / protective
• Emulsifier 0.3 part by weight of alkylaryl polyglycol ether
• active compound 1 part by weight of active compound is mixed with the stated amounts of solvent and emulsifier and the concentrate is diluted with water to the desired concentration.
• the compound of preparation example 1 shows an efficiency of 90% at an exemplary active ingredient concentration of 100 ppm.
• Emulsifier 0.3 part by weight of alkylaryl polyglycol ether
• active compound 1 part by weight of active compound is mixed with the stated amounts of solvent and emulsifier and the concentrate is diluted with water to the desired concentration.
• the plants are then placed in a greenhouse at 20 ° C. and a relative humidity of approx. 70%.
• Evaluation is carried out 12 days after the inoculation.
• the compounds of preparation examples (1) and (10) show an efficiency of almost 100% at an exemplary concentration of 5 ppm.
• MIC minimum inhibitory concentrations
• agar made from wort and peptone is mixed with active substances according to the invention in concentrations of 0.1 mg / l to 5000 mg / l. After the agar solidifies, it is contaminated with pure cultures of the test organisms listed in the table. After 2 weeks of storage at 28 ° C and 60 to 70% rel. Humidity is determined the MIC. MIC is the lowest concentration of active ingredient at which no growth occurs due to the type of microbe used; it is given in Table E below.
• An agar containing broth as the nutrient medium is mixed with active substances according to the invention in concentrations of 1 to 5,000 ppm.
• the culture medium is then infected with the test organisms listed in Table II and the infected medium is kept at 28 ° C. and 60 to 70% rel. For 2 weeks. Humidity.
• the MIC is the lowest concentration of active ingredient at which no growth occurs due to the type of microbe used.
• the MIC values are shown in Table F. Table F Specification of the MIC values in mg / l when the active substances specified below act on bacteria.
• Substances according to the invention are used in concentrations of 0.1 to 100 mg / l in Allen's nutrient solution (Arch. Mikrobiol. 17 , 34 to 53 (1952)), in 4 l of sterile water, 0.2 g of ammonium chloride, 4.0 g Contains sodium nitrate, 1.0 g dipotassium hydrogen phosphate, 0.2 g calcium chloride, 2.05 g magnesium sulfate, 0.02 g iron chloride and 1% caprolactam, dissolved in a little acetone. Shortly beforehand, the nutrient solution is infected with mucus organisms (approx. 106 germs / ml) which have been isolated from spin water circuits used in the production of polyamide.
• a mixed culture of green, blue, brown and diatoms (Stichococcus bacillaris Naegeli, Euglena gracilis Klebs, Chlorella pyrenoidosa Chick, Phormidium foveolarum Gomont, Oscillatoria geminata Meneghini and Phaeodactylum tricornutum Bohlin) is bubbled with air from Arch 17 , 34 to 53 (1952)), based on 4 l of sterile water, 0.2 g of ammonium chloride, 4.0 g of sodium nitrate, 1.0 g of dipotassium hydrogen phosphate, 0.2 g of calcium chloride, 2.05 g of magnesium sulfate and 0.02 g contains iron chloride.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• Agronomy & Crop Science (AREA)
• Pest Control & Pesticides (AREA)
• Plant Pathology (AREA)
• Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
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• General Health & Medical Sciences (AREA)
• Wood Science & Technology (AREA)
• Zoology (AREA)
• Environmental Sciences (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)
• Quinoline Compounds (AREA)

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• 1990
  • 1990-01-28 EP EP90101676A patent/EP0387510A1/fr not_active Withdrawn
  • 1990-02-05 JP JP2456690A patent/JPH02235869A/ja active Pending

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